Product: Multifunctional hollow leather hole punch set — 10 interchangeable hollow punch cutters, sizes 3 mm to 12 mm. Key benefits Precise, clean holes: Hollow tubular cutters deliver accurate, burr-free holes for a professional finish on leather and similar materials. Wide size range: Ten sizes (3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm) cover common needs for watch straps, belts, rivet and eyelet placements. Durable material and sharp cutting edge: Made from carbon steel for long-lasting sharpness and strength under repeated use. Easy and reliable handling: Designed to provide a secure grip and consistent punching action for both detailed work and frequent use. Versatile use: Works with leather, watch bands, belts, straps, jackets, fabric, canvas, eyelets, cardboard and other craft materials. Who it’s for Ideal for craft enthusiasts, professional leatherworkers and beginners who need a dependable set for a variety of leatherworking projects. How it helps (problem solved) Eliminates uneven or ragged holes caused by improvised tools. Saves time and improves consistency when creating multiple holes of the same diameter. Reduces the need for outsourcing simple hole punching tasks to a tannery or workshop. Practical applications (use scenarios) Adjusting and repairing belts and watch bands: Punch precise holes to resize straps or add replacement holes for a better fit. Leather goods and apparel: Create clean holes for rivets, snaps, laces or decorative accents on jackets, bags and straps. Craft and hobby projects: Punch holes in canvas, fabric and cardboard for eyelets, bindings and mixed-media assembly. What’s included and specifications Set of 10 hollow punch cutters Sizes: 3 mm to 12 mm (10 increments) Material: carbon steel Function: hollow tubular cutting for through-holes in leather and similar materials Usage tips Use a firm, flat surface and appropriate striking tool for best results. Choose the punch size that matches the hardware (rivets, eyelets, straps) or the desired finished hole diameter. Keep cutters clean and dry to prolong edge life. This set provides a straightforward, durable solution for precise hole punching across a wide range of leather and craft applications.